Chair



FIG. 1 is a front and right side perspective view of a chair showing our new design;

FIG. 2 is a rear and right side perspective view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a left side elevation view thereof; and,

FIG. 6 is a right side elevation view thereof.

The features shown in broken lines show portions of the chair that form no part of the claimed design. 

CLAIM The ornamental design for a chair, as shown and described. 